:root {
  --purple: #5B4B8A;
  --purple-deep: #3d3260;
  --peach: #F4A261;
  --peach-soft: #f8d3b0;
  --cream: #FBF3E8;
  --panel: #fffaf3;
  --yes: #5B4B8A;
  --no: #c26d3a;
  --ink: #2b2438;
  --muted: #5c5368;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: Verdana, Geneva, "Microsoft YaHei", sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.7;
}

img, svg { display: block; }

a { color: var(--purple); text-decoration: none; }
a:hover { color: var(--peach); }

.topbar {
  position: sticky;
  top: 0;
  z-index: 8;
  background: var(--purple);
  color: #fff;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 20px;
  padding: 12px 28px;
}

.logo-lock {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  white-space: nowrap;
}

.anchor-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 18px;
  font-size: 0.86rem;
}

.anchor-row a { color: #f4e9ff; }
.anchor-row a:hover { color: var(--peach); }

.shell { padding-bottom: 48px; }

.hero-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  background: linear-gradient(180deg, #efe6fb 0%, var(--cream) 100%);
  padding: 36px 28px 28px;
}

.hero-band h1 {
  font-size: 1.85rem;
  line-height: 1.4;
  max-width: 920px;
  color: var(--purple-deep);
}

.hero-band p {
  max-width: 860px;
  margin-top: 14px;
  color: var(--muted);
}

.sec {
  padding: 36px 28px 8px;
  max-width: 1120px;
  margin: 0 auto;
}

.sec h2 {
  font-size: 1.45rem;
  color: var(--purple);
  margin-bottom: 12px;
}

.sec > p { margin-bottom: 16px; color: var(--muted); }

.triad {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.triad article {
  background: var(--panel);
  border-radius: 18px;
  padding: 16px 18px;
  box-shadow: 0 8px 0 rgba(91, 75, 138, 0.08);
}

.triad h3 {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--purple-deep);
  font-size: 1rem;
  margin-bottom: 8px;
}

.split-decisions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 8px;
}

.col-yes, .col-no {
  border-radius: 6px;
  padding: 18px 18px 10px;
}

.col-yes { background: #efe8fb; border-top: 8px solid var(--purple); }
.col-no { background: #fde8d6; border-top: 8px solid var(--peach); }

.col-yes h3, .col-no h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.col-yes li, .col-no li {
  margin: 0 0 10px 18px;
}

.matrix-wrap { overflow-x: auto; margin: 8px 0 16px; }

.matrix {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  background: var(--panel);
  font-size: 0.9rem;
}

.matrix th, .matrix td {
  border: 1px solid #e4d6c2;
  padding: 10px 12px;
  text-align: center;
}

.matrix th { background: var(--purple); color: #fff; }
.matrix td:first-child { text-align: left; font-weight: 700; color: var(--purple-deep); }
.cell-yes { background: #e8dff8; }
.cell-no { background: #fde8d6; }
.cell-mid { background: #fff4d6; }

.fit-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.fit-row article {
  background: var(--panel);
  padding: 14px 16px 12px;
  border-left: 5px solid var(--peach);
}

.fit-row h3 { font-size: 1rem; margin-bottom: 6px; color: var(--purple-deep); }

.flow {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 12px 0 16px;
}

.flow article {
  background: var(--panel);
  padding: 14px 16px;
  border-left: 4px solid var(--purple);
  margin-bottom: 8px;
  position: relative;
}

.flow .tag {
  display: inline-block;
  background: var(--peach);
  color: #3b2410;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 2px 8px;
  margin-bottom: 6px;
}

.back-box {
  background: var(--purple-deep);
  color: #f7f1ff;
  padding: 18px 20px;
  border-radius: 4px 24px 4px 24px;
}

.back-box p { color: #efe6fb; margin-bottom: 10px; }

.faq-block { display: grid; gap: 10px; }

.faq-block article {
  background: var(--panel);
  padding: 14px 16px;
  border-bottom: 3px solid var(--peach);
}

.faq-block h3 { font-size: 1rem; margin-bottom: 8px; color: var(--purple); }

.foot {
  background: var(--purple-deep);
  color: #eadff7;
  padding: 28px;
  margin-top: 24px;
}

.foot p { margin-bottom: 8px; font-size: 0.9rem; }
.foot time { color: var(--peach-soft); }

@media (min-width: 860px) {
  .triad { grid-template-columns: 1fr 1fr 1fr; }
  .split-decisions { grid-template-columns: 1fr 1fr; }
  .fit-row { grid-template-columns: 1fr 1fr; }
  .flow {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .flow article {
    flex: 1 1 22%;
    margin-right: 8px;
    border-left: 0;
    border-top: 4px solid var(--purple);
  }
}